
\documentclass{article}
\usepackage{listings}
\usepackage{a4wide}
\usepackage{lscape}
\lstset{language=Haskell}

\begin{document}

\begin{landscape}
\section{M\'odulo Tipos}
   \lstinputlisting{Tipos.hs}
 
\section{M\'odulo Combo}
   \lstinputlisting{Combo.hs}

\section{M\'odulo Pedido}
   \lstinputlisting{Pedido.hs}

\section{M\'odulo Local}
   \lstinputlisting{Local.hs}
   
\end{landscape}


\end{document}

